There is currently no established method to monitor muscle architecture throughout exercise intervention. This work investigates the value of DTI and fiber tractography to detect changes in fiber length in the quadriceps caused by resistance training. Five human subjects participated in a three-month training regimen, and DTI scans of their quadriceps were acquired. Through DTI tractography, fiber lengths were measured and compared between quadricep muscle components. There were no statistically significant changes in fiber length after three months of exercise, showing further optimization is needed to utilize DTI tractography for monitoring fiber length changes due to exercise.
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